Look at me.We all have marks on our face. I have this wrinkle here from your first surgery.I have these wrinkles here from your last surgery. This is the map that shows us where we’ve going.And this is the map that shows us where we’ve been.And it’s never ever ugly.

每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。

I'm not a builder, I'm a breaker.

天下的治乱不在于一个王朝的兴亡，而在于百姓的忧乐。